Respuesta :

Stephen46

Answer:

3x³ + 5

Step-by-step explanation:

( 4x - 2x³ ) + ( 5x³ - 4x + 5)

Remove the parenthesis

That's

4x - 2x³ + 5x³ - 4x + 5

Group like terms

We have

5x³ - 2x³ + 4x - 4x + 5

We have the final answer as

3x³ + 5

Hope this helps you